30749216503 has 8 divisors (see below), whose sum is σ = 31409281728. Its totient is φ = 30089394144.

The previous prime is 30749216489. The next prime is 30749216507. The reversal of 30749216503 is 30561294703.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30749216503 - 2²⁹ = 30212345591 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30749216507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207825 + ... + 323557.

It is an arithmetic number, because the mean of its divisors is an integer number (3926160216).

Almost surely, 2^30749216503 is an apocalyptic number.

30749216503 is a deficient number, since it is larger than the sum of its proper divisors (660065225).

30749216503 is a wasteful number, since it uses less digits than its factorization.

30749216503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121433.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 30749216503 in words is "thirty billion, seven hundred forty-nine million, two hundred sixteen thousand, five hundred three".